Quote:
Originally Posted by MetroMPG
It's very small (probably too small to notice through tank-to-tank monitoring).
It also falls into the "it depends" (TM) category: Depends on how aerodynamically dirty the previous wheel style was to begin with; also the airflow characteristics past the wheel wells of the vehicle in question.
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True, but even if its a small difference like .5 mpg then over the lifetime of the car (Say 150,000 miles) the fuel savings would amount to 75 dollars or so... so for a $5 mod its not a bad idea!